Add release and publish Make targets

Makefile

@@ -1,4 +1,4 @@
-.PHONY: build clean update-npmjs-readme
+.PHONY: build clean update-npmjs-readme release publish
 
 build: node_modules
 	npm run build
@@ -9,6 +9,17 @@ node_modules:
 clean:
 	rm -r target node_modules
 
+release:
+	@read -p "Enter version bump (patch, minor, major): " bump && \
+	version=$$(npm version $$bump | grep -oP "(?<=v)[^']+") && \
+	echo "Version $$version created. Run 'make publish' to push the changes and publish the package."
+
+
 update-npmjs-readme:
 	asciidoctor -b docbook -o target/README.xml README.adoc
 	pandoc -f docbook -t markdown_strict target/README.xml -o README.md
+
+publish: update-npmjs-readme
+	@git push && \
+	git push --tags && \
+	npm publish